<?php
class admin_core_Menu extends core_Menu
{
	/**
	 * @var admin_core_Menu
	 */
	protected static $_instance;

	/**
	 * @static
	 * @return admin_core_Menu
	 */
	public static function getInstance()
	{
		if (empty(self::$_instance)){
			self::$_instance = new self;
		}

		return self::$_instance;
	}
}